package top.stmo.blog.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import top.stmo.blog.handler.LoginInterceptor;

@Configuration
public class WebMvcConfig implements WebMvcConfigurer {

    @Autowired
    private LoginInterceptor loginInterceptor;

    private CorsConfiguration buildConfig() {
        CorsConfiguration corsConfiguration = new CorsConfiguration();   //跨域的配置
        corsConfiguration.addAllowedOrigin("*");                        //允许所有的来源
        corsConfiguration.addAllowedHeader("*");                        //所有的请求头
        corsConfiguration.addAllowedMethod("*");                        //所有的方法都允许访问
        return corsConfiguration;
    }


    @Bean
    public CorsFilter corsFilter() {
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", buildConfig());
        return new CorsFilter(source);
    }

    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/**")             //所有的请求
                .allowedOrigins("*")                        //所有的来源
//              .allowCredentials(true)
                .allowedMethods("GET", "POST", "DELETE", "PUT")    //所有的请求形式都可以访问
                .maxAge(3600);
    }

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        //拦截test接口，后续实际遇到需要拦截的接口时，在配置为真正的拦截接口
        registry.addInterceptor(loginInterceptor)
                .addPathPatterns("/comments/create/change")     //评论
                .addPathPatterns("/articles/publish")           //发布文章
                .addPathPatterns("/test");
        /**
                .excludePathPatterns("/login")
                .excludePathPatterns("/register");
         **/
    }
}
